| Patents for B26F 1 - Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor (15,656) |
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| 02/26/1991 | US4995930 Process for the production of a film combination |
| 02/26/1991 | US4995287 Apparatus for cutting laminated sheet material |
| 02/21/1991 | WO1991001858A1 Apparatus and method for edge notching a continuously moving web |
| 02/21/1991 | DE4021645A1 Paper punch with operating lever lock - has built-in plastic injection moulded slider to hold lever downwards for packaging |
| 02/21/1991 | DE4021644A1 Paper punch positioning guide - has one piece spring clip mounted on base and locking into spaced holes in guide rail |
| 02/21/1991 | DE4021595A1 Document punch with lateral bearings |
| 02/21/1991 | DE4021505A1 Paper punch tool - has dimensions chosen so that gap between operating lever and base remains greater than finger thickness |
| 02/21/1991 | DE3927106A1 Schneidwalze oder stanzzylinder und verfahren zum herstellen von solchen Cutting roller or punching cylinder and process for the manufacture of such |
| 02/20/1991 | EP0413379A1 Paper punch |
| 02/20/1991 | CN2071579U Document and note perforator |
| 02/19/1991 | US4994267 Transdermal acrylic multipolymer drug delivery system |
| 02/19/1991 | US4993296 Apparatus for cutting laminated sheet material |
| 02/19/1991 | US4993293 Apparatus for the removal of material punched out from material in sheet form |
| 02/13/1991 | EP0412584A2 Laser-punch composite processing machine |
| 02/12/1991 | US4991479 Apparatus for trimming articles moldingly formed on thermoplastic sheet and process for operating thereof |
| 02/12/1991 | US4991478 Trimming apparatus and method |
| 02/07/1991 | DE3925731A1 Punch press with hydraulic multi-punch head - has supply to each actuating cylinder for punch working stroke but only common supply for return |
| 02/06/1991 | CN1048993A Apparatus for and method of cutting blank |
| 01/31/1991 | DE4017944A1 Simplified construction of paper hole punch - has housing formed of two plates with integral plastic hinge, paper receiving area and receptacle for punched discs |
| 01/30/1991 | EP0410573A1 An apparatus for, and a method of, cutting a blank |
| 01/30/1991 | EP0410058A2 Machine and method for cutting oval shapes |
| 01/29/1991 | US4988276 Apparatus for shaping cookie dough |
| 01/29/1991 | US4988030 Printed recording paper processing apparatus |
| 01/29/1991 | US4987829 Perforator/crusher for plastic bottles |
| 01/29/1991 | US4987811 Electric punch |
| 01/29/1991 | CA1279570C Hole puncher and reinforcer |
| 01/27/1991 | CA2020483A1 Apparatus for, and a method of, cutting a blank |
| 01/23/1991 | EP0409204A2 Image forming apparatus |
| 01/22/1991 | US4986156 Mat cutting device |
| 01/19/1991 | WO1991001224A1 Combined paper punch and binding apparatus |
| 01/16/1991 | EP0408096A2 Method and apparatus for drilling small diameter holes in fragile material with high velocity liquid jet |
| 01/16/1991 | EP0335939B1 Hydraulic drive system |
| 01/16/1991 | CN2069343U 空心钻 Hollow drill |
| 01/16/1991 | CN1011206B Method punching holes in the ueneer sheet for electric appliances |
| 01/08/1991 | US4982637 Rotary cutting apparatus |
| 01/07/1991 | WO1991000720A1 Resilient material and disposable, absorbent article comprising such a material |
| 01/07/1991 | CA2062744A1 Resilient material and disposable, absorbent article comprising such a material |
| 01/02/1991 | CA1278506C Procedure for automatically cutting pieces of material to order, using a band of material and a device for carrying out the procedure |
| 01/01/1991 | US4982437 Method of cutting an object as a function of particularities of said object |
| 01/01/1991 | US4981061 Steel rule die and method of manufacture |
| 12/25/1990 | US4979612 Sandpaper or emery paper supply and cutting container |
| 12/25/1990 | US4979415 Punching unit for punching apparatus |
| 12/18/1990 | US4978486 Method for preparing perforated film |
| 12/18/1990 | US4977807 Slit imparting device for forming through cuts in a plastic film |
| 12/18/1990 | CA1277837C Abrasive jet machining |
| 12/12/1990 | EP0401769A1 Device for carrying away punched out regions of material from a sheet-like material |
| 12/05/1990 | EP0400249A1 Apparatus for perforating a web |
| 12/04/1990 | US4974479 Punch and die set having improved slug management system |
| 12/04/1990 | US4974324 Appliance for cutting out thin film |
| 11/28/1990 | EP0399338A1 Multitool punch holder |
| 11/27/1990 | US4972747 Perforating strip for printing presses |
| 11/27/1990 | US4972745 Method and apparatus for cutting blanks from webs of material |
| 11/27/1990 | CA1276871C Holder for a panel cutting plate |
| 11/14/1990 | EP0396899A2 Cylinder-tool for a band- or plate-like material working rotative machine and realisation method |
| 11/13/1990 | US4969269 Electrical outlet cutter for walls panels |
| 11/10/1990 | WO1990013400A1 Process and device for cutting slots in tubular bodies |
| 11/08/1990 | DE3914779A1 Verfahren und vorrichtung zum schneiden von schlitzen in rohrfoermige koerper Method and apparatus for cutting slots in rohrfoermige koerper |
| 11/07/1990 | EP0395816A2 Die cutters |
| 11/06/1990 | US4967626 Apparatus for sectioning tire carcasses |
| 11/02/1990 | CA2008471A1 Clam shell die cutter |
| 11/01/1990 | WO1990012748A1 Corrugated board treatment method and machine |
| 10/31/1990 | EP0395252A2 Method and product to enhance electrical conductivity of films containing conductive carbon black |
| 10/31/1990 | DE4009911A1 Cutting soft webs of material - by two=dimensional oscillation of outer blade |
| 10/31/1990 | DE3912940A1 Cutter and perforator for material web - has groove in blade shaft engaged by clamp with several wedges on groove length part |
| 10/30/1990 | US4966352 System for processing a web |
| 10/24/1990 | CA2014373A1 Method and product to enhance electrical conductivity of films containing conductive carbon black |
| 10/23/1990 | US4964992 Perforation of non-porous membrane to controlled depth |
| 10/18/1990 | WO1990012678A1 Cutting and trimming plastic pot |
| 10/18/1990 | WO1990011876A1 Punches |
| 10/18/1990 | CA2031203A1 Cutting and trimming plastic pot |
| 10/16/1990 | US4962686 Perforating strip for printing presses |
| 10/10/1990 | EP0390939A1 Vertically contour-cutting machine |
| 10/10/1990 | CN2063469U Filter paper blanking press |
| 10/04/1990 | DE3926018A1 Hand punch for holes in wall of hollow punch - has punching matrix with two different abutment planes for support body and cutting segments respectively |
| 10/03/1990 | CN1009817B Belt transmission device for strand storing and delivering device |
| 10/02/1990 | US4961149 Method and apparatus for marking and cutting a flexible web |
| 10/02/1990 | US4960019 Vacuum die cutting method and apparatus |
| 09/27/1990 | DE3925943C1 Label coder with indexed conveyor - uses coding tools in form of steel plates acting as swinging levers |
| 09/25/1990 | US4958548 Hydraulic drive mechanism |
| 09/19/1990 | EP0387371A1 Process and device for cutting out pieces of clothing |
| 09/19/1990 | EP0387258A1 Cutting guide. |
| 09/18/1990 | US4957122 Device for the electrostatic perforation of webs of paper |
| 09/13/1990 | DE3907826A1 Process and apparatus for producing punching make-readies, in particular in the folding-box industry |
| 09/12/1990 | EP0386819A2 Web rewinder having improved chop-off mechanism |
| 09/11/1990 | US4956219 method of producing perforations in a solid material in sheet form, an irradiation device for working the method, and the resulting perforated material |
| 09/11/1990 | US4956034 Method and apparatus for manufacturing laminated glass |
| 09/11/1990 | US4955855 Die cutting apparatus with impressible coating |
| 09/11/1990 | US4955164 Method and apparatus for drilling small diameter holes in fragile material with high velocity liquid jet |
| 09/05/1990 | EP0385217A2 Apparatus for stamping a sheet-like material, in particular a labelling material |
| 09/05/1990 | EP0385133A1 Device for removing damaged spots from rubber parts |
| 09/05/1990 | EP0385034A1 Electric punch |
| 09/04/1990 | WO1990009882A1 Control apparatus and method for progressive fracture of workpieces |
| 09/04/1990 | US4953270 Method for marking textile substrates |
| 08/29/1990 | EP0384914A1 Cutting installation for cutting out blanks from web material |
| 08/29/1990 | EP0384821A2 Process for segmentally cutting circular products, especially food products |
| 08/29/1990 | EP0384801A1 Apparatus for rotatively cutting webs of cellulose wadding and the like, and its use |
| 08/29/1990 | EP0384161A1 Device for mounting a tool on a shaft in a rotary machine |
| 08/28/1990 | US4951967 Signature perforating knife and signature |
| 08/28/1990 | US4951395 Drywall die-cutting for electrical outlet boxes |
| 08/28/1990 | CA1273187A2 Method and apparatus for installing pierce nuts |